Added single-header deployment (for now works on msvc only)
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Leonetienne
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INCLUDE/Eule.cpp
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3712
INCLUDE/Eule.cpp
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INCLUDE/Eule.h
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INCLUDE/Eule.h
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#pragma once
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/*** ../Eule/Vector2.h ***/
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#include <cstdlib>
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#include <sstream>
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namespace Eule
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{
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template <typename T> class Vector3;
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template <typename T> class Vector4;
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/** Representation of a 2d vector.
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* Contains a lot of utility methods.
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*/
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template <typename T>
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class Vector2
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{
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public:
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Vector2() : x{ 0 }, y{ 0 } {}
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Vector2(T _x, T _y) : x{ _x }, y{ _y } {}
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Vector2(const Vector2<T>& other) = default;
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Vector2(Vector2<T>&& other) noexcept = default;
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//! Will compute the dot product to another Vector2
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double DotProduct(const Vector2<T>& other) const;
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//! Will compute the cross product to another Vector2
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double CrossProduct(const Vector2<T>& other) const;
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//! Will compute the square magnitude
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double SqrMagnitude() const;
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//! Will compute the magnitude
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double Magnitude() const;
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//! Will return the normalization of this vector
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[[nodiscard]] Vector2<double> Normalize() const;
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//! Will normalize this vector
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void NormalizeSelf();
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//! Will scale self.n by scalar.n
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Vector2<T> VectorScale(const Vector2<T>& scalar) const;
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//! Will lerp itself towards other by t
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void LerpSelf(const Vector2<T>& other, double t);
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//! Will return a lerp result between this and another vector
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[[nodiscard]] Vector2<double> Lerp(const Vector2<T>& other, double t) const;
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//! Will compare if two vectors are similar to a certain epsilon value
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[[nodiscard]] bool Similar(const Vector2<T>& other, double epsilon = 0.00001) const;
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//! Will convert this vector to a Vector2i
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[[nodiscard]] Vector2<int> ToInt() const;
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//! Will convert this vector to a Vector2d
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[[nodiscard]] Vector2<double> ToDouble() const;
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T& operator[](std::size_t idx);
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const T& operator[](std::size_t idx) const;
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Vector2<T> operator+(const Vector2<T>& other) const;
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void operator+=(const Vector2<T>& other);
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Vector2<T> operator-(const Vector2<T>& other) const;
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void operator-=(const Vector2<T>& other);
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Vector2<T> operator*(const T scale) const;
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void operator*=(const T scale);
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Vector2<T> operator/(const T scale) const;
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void operator/=(const T scale);
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Vector2<T> operator-() const;
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operator Vector3<T>() const; //! Conversion method
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operator Vector4<T>() const; //! Conversion method
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void operator=(const Vector2<T>& other);
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void operator=(Vector2<T>&& other) noexcept;
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bool operator==(const Vector2<T>& other) const;
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bool operator!=(const Vector2<T>& other) const;
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friend std::ostream& operator<< (std::ostream& os, const Vector2<T>& v)
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{
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return os << "[x: " << v.x << " y: " << v.y << "]";
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}
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friend std::wostream& operator<< (std::wostream& os, const Vector2<T>& v)
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{
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return os << L"[x: " << v.x << L" y: " << v.y << L"]";
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}
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T x;
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T y;
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// Some handy predefines
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static const Vector2<double> up;
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static const Vector2<double> down;
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static const Vector2<double> right;
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static const Vector2<double> left;
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static const Vector2<double> one;
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static const Vector2<double> zero;
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};
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typedef Vector2<int> Vector2i;
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typedef Vector2<double> Vector2d;
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}
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/*** ../Eule/Random.h ***/
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#include <random>
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namespace Eule
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{
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/** Extensive random number generator
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*/
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class Random
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{
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public:
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//! Will return a random double between `0` and `1`
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static double RandomFloat();
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//! Will return a random unsigned integer.
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static unsigned int RandomUint();
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//! Will return a random integer
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static unsigned int RandomInt();
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//! Will return a random double within a range
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//! These bounds are INCLUSIVE!
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static double RandomRange(const double min, const double max);
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//! Will return a random integer within a range. This is faster than `(int)RandomRange(x,y)`
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//! These bounds are INCLUSIVE!
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static int RandomIntRange(const int max, const int min);
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//! Will 'roll' a dice, returning `true` \f$100 * chance\f$ percent of the time.
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static bool RandomChance(const double chance);
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private:
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//! Will initialize the random number generator
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static void InitRng();
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static std::mt19937 rng;
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static bool isRngInitialized;
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// No instanciation! >:(
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Random();
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};
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}
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/*** ../Eule/gcccompat.h ***/
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/*
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* Some intrinsic functions such as _mm_sincos_pd are not available on g++ by default (requires some specific library).
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* So let's just "re"define them manually if we're on g++.
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* This way the code still works, even with the other intrinsics enabled.
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*/
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#if (__GNUC__ && __cplusplus)
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#include <immintrin.h>
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#include <math.h>
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inline __m256d _mm256_sincos_pd(__m256d* __cos, __m256d __vec)
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{
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double vec[4];
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_mm256_storeu_pd(vec, __vec);
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// Manually calculate cosines
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*__cos = _mm256_set_pd(
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cos(vec[3]),
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cos(vec[2]),
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cos(vec[1]),
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cos(vec[0])
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);
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// Manually calculate sines
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return _mm256_set_pd(
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sin(vec[3]),
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sin(vec[2]),
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sin(vec[1]),
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sin(vec[0])
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);
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}
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#endif
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/*** ../Eule/Math.h ***/
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#include <stdexcept>
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namespace Eule
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{
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/** Math utility class containing basic functions.
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*/
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class Math
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{
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public:
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//! Will return the bigger of two values
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[[nodiscard]] static constexpr double Max(const double a, const double b);
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//! Will return the smaller of two values
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[[nodiscard]] static constexpr double Min(const double a, const double b);
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//! Will return `v`, but at least `min`, and at most `max`
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[[nodiscard]] static constexpr double Clamp(const double v, const double min, const double max);
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//! Will return the linear interpolation between `a` and `b` by `t`
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[[nodiscard]] static constexpr double Lerp(double a, double b, double t);
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//! Will return the absolute value of `a`
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[[nodiscard]] static constexpr double Abs(const double a);
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//! Compares two double values with a given accuracy
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[[nodiscard]] static constexpr bool Similar(const double a, const double b, const double epsilon = 0.00001);
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//! Will compute the actual modulo of a fraction. The % operator returns bs for n<0.
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//! May throw division-by-zero std::logic_error
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[[nodiscard]] static int Mod(const int numerator, const int denominator);
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//! Kind of like \f$sin(counter)\f$, but it oscillates over \f$[a,b]\f$ instead of \f$[-1,1]\f$, by a given speed.
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//! Given that \f$speed = 1\f$, the result will always be `a` if `counter` is even, and `b` if `counter` is uneven.
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//! If `counter` is a rational, the result will oscillate between `a` and `b`, like `sin()` does.
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//! If you increase `speed`, the oscillation frequency will increase. Meaning \f$speed = 2\f$ would result in \f$counter=0.5\f$ returning `b`.
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static double Oscillate(const double a, const double b, const double counter, const double speed);
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private:
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// No instanciation! >:(
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Math();
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};
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/* These are just the inline methods. They have to lie in the header file. */
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/* The more sophisticated methods are in the .cpp */
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constexpr inline double Math::Max(double a, double b)
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{
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return (a > b) ? a : b;
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}
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constexpr inline double Math::Min(double a, double b)
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{
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return (a < b) ? a : b;
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}
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constexpr inline double Math::Clamp(double v, double min, double max)
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{
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return Max(Min(v, max), min);
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}
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constexpr inline double Math::Lerp(double a, double b, double t)
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{
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const double it = 1.0 - t;
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return (a * it) + (b * t);
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}
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constexpr inline double Math::Abs(const double a)
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{
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return (a > 0.0) ? a : -a;
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}
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constexpr inline bool Math::Similar(const double a, const double b, const double epsilon)
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{
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return Abs(a - b) <= epsilon;
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}
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}
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/*** ../Eule/Matrix4x4.h ***/
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#include <cstring>
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#include <array>
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#include <ostream>
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namespace Eule
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{
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template <class T>
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class Vector3;
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typedef Vector3<double> Vector3d;
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/** A matrix 4x4 class representing a 3d transformation.
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* This matrix consists of a 3x3 matrix containing scaling and rotation information, and a vector (d,h,l)
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* representing the translation.
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*
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* ```
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* myMatrix[y][x] = 3
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*
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* X ==============>
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* Y
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* | # # # # # # # # # # #
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* | # a b c d #
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* | # #
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* | # e f g h #
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* | # #
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* V # i j k l #
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* # #
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* # m n o p #
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* # # # # # # # # # # #
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*
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* ```
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*
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* Note: This class can also be used to compute regular 4x4 multiplications. Use Multiply4x4() for that.
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*/
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class Matrix4x4
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{
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public:
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Matrix4x4();
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Matrix4x4(const Matrix4x4& other);
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Matrix4x4(Matrix4x4&& other) noexcept;
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//! Array holding the matrices values
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std::array<std::array<double, 4>, 4> v;
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Matrix4x4 operator*(const Matrix4x4& other) const;
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void operator*=(const Matrix4x4& other);
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Matrix4x4 operator/(const Matrix4x4& other) const;
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void operator/=(const Matrix4x4& other);
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//! Cellwise scaling
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Matrix4x4 operator*(const double scalar) const;
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//! Cellwise scaling
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void operator*=(const double scalar);
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//! Cellwise division
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Matrix4x4 operator/(const double denominator) const;
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//! Cellwise division
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void operator/=(const double denominator);
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//! Cellwise addition
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Matrix4x4 operator+(const Matrix4x4& other) const;
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//! Cellwise addition
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void operator+=(const Matrix4x4& other);
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//! Cellwise subtraction
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Matrix4x4 operator-(const Matrix4x4& other) const;
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//! Cellwise subtraction
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void operator-=(const Matrix4x4& other);
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std::array<double, 4>& operator[](std::size_t y);
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const std::array<double, 4>& operator[](std::size_t y) const;
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void operator=(const Matrix4x4& other);
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void operator=(Matrix4x4&& other) noexcept;
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bool operator==(const Matrix4x4& other);
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bool operator==(const Matrix4x4& other) const;
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bool operator!=(const Matrix4x4& other);
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bool operator!=(const Matrix4x4& other) const;
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//! Will return d,h,l as a Vector3d(x,y,z)
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const Vector3d GetTranslationComponent() const;
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//! Will set d,h,l from a Vector3d(x,y,z)
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void SetTranslationComponent(const Vector3d& trans);
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//! Will return this Matrix4x4 with d,h,l being set to 0
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Matrix4x4 DropTranslationComponents() const;
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//! Will return the 3x3 transpose of this matrix
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Matrix4x4 Transpose3x3() const;
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//! Will return the 4x4 transpose of this matrix
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Matrix4x4 Transpose4x4() const;
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//! Will return the Matrix4x4 of an actual 4x4 multiplication. operator* only does a 3x3
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Matrix4x4 Multiply4x4(const Matrix4x4& o) const;
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//! Will return the cofactors of this matrix, by dimension n
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Matrix4x4 GetCofactors(std::size_t p, std::size_t q, std::size_t n) const;
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//! Will return the determinant, by dimension n
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double Determinant(std::size_t n) const;
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//! Will return the adjoint of this matrix, by dimension n
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Matrix4x4 Adjoint(std::size_t n) const;
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//! Will return the 3x3-inverse of this matrix.
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//! Meaning, the 3x3 component will be inverted, and the translation component will be negated
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Matrix4x4 Inverse3x3() const;
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//! Will return the full 4x4-inverse of this matrix
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Matrix4x4 Inverse4x4() const;
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//! Will check if the 3x3-component is inversible
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bool IsInversible3x3() const;
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//! Will check if the entire matrix is inversible
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bool IsInversible4x4() const;
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//! Will compare if two matrices are similar to a certain epsilon value
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bool Similar(const Matrix4x4& other, double epsilon = 0.00001) const;
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friend std::ostream& operator<< (std::ostream& os, const Matrix4x4& m);
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friend std::wostream& operator<< (std::wostream& os, const Matrix4x4& m);
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// Shorthands
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double& a = v[0][0];
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double& b = v[0][1];
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double& c = v[0][2];
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double& d = v[0][3];
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double& e = v[1][0];
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double& f = v[1][1];
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double& g = v[1][2];
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double& h = v[1][3];
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double& i = v[2][0];
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double& j = v[2][1];
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double& k = v[2][2];
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double& l = v[2][3];
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double& m = v[3][0];
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double& n = v[3][1];
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double& o = v[3][2];
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double& p = v[3][3];
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};
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}
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/*** ../Eule/Vector4.h ***/
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#include <cstdlib>
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#include <iomanip>
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#include <ostream>
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#include <sstream>
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namespace Eule
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{
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template <typename T> class Vector2;
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template <typename T> class Vector3;
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/** Representation of a 4d vector.
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* Contains a lot of utility methods.
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*/
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template <typename T>
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class Vector4
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{
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public:
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Vector4() : x{ 0 }, y{ 0 }, z{ 0 }, w{ 0 } {}
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Vector4(T _x, T _y, T _z, T _w) : x{ _x }, y{ _y }, z{ _z }, w{ _w } {}
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Vector4(const Vector4<T>& other) = default;
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Vector4(Vector4<T>&& other) noexcept = default;
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//! Will compute the square magnitude
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double SqrMagnitude() const;
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//! Will compute the magnitude
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double Magnitude() const;
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//! Will return the normalization of this vector
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[[nodiscard]] Vector4<double> Normalize() const;
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//! Will normalize this vector
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void NormalizeSelf();
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//! Will scale self.n by scalar.n
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[[nodiscard]] Vector4<T> VectorScale(const Vector4<T>& scalar) const;
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//! Will lerp itself towards other by t
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void LerpSelf(const Vector4<T>& other, double t);
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//! Will return a lerp result between this and another vector
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[[nodiscard]] Vector4<double> Lerp(const Vector4<T>& other, double t) const;
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//! Will compare if two vectors are similar to a certain epsilon value
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[[nodiscard]] bool Similar(const Vector4<T>& other, double epsilon = 0.00001) const;
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//! Will convert this vector to a Vector4i
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[[nodiscard]] Vector4<int> ToInt() const;
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//! Will convert this vector to a Vector4d
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[[nodiscard]] Vector4<double> ToDouble() const;
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T& operator[](std::size_t idx);
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const T& operator[](std::size_t idx) const;
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Vector4<T> operator+(const Vector4<T>& other) const;
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void operator+=(const Vector4<T>& other);
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Vector4<T> operator-(const Vector4<T>& other) const;
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void operator-=(const Vector4<T>& other);
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Vector4<T> operator*(const T scale) const;
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void operator*=(const T scale);
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Vector4<T> operator/(const T scale) const;
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void operator/=(const T scale);
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Vector4<T> operator*(const Matrix4x4& mat) const;
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void operator*=(const Matrix4x4& mat);
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Vector4<T> operator-() const;
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operator Vector2<T>() const; //! Conversion method
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operator Vector3<T>() const; //! Conversion method
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||||
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void operator=(const Vector4<T>& other);
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||||
void operator=(Vector4<T>&& other) noexcept;
|
||||
|
||||
bool operator==(const Vector4<T>& other) const;
|
||||
bool operator!=(const Vector4<T>& other) const;
|
||||
|
||||
friend std::ostream& operator << (std::ostream& os, const Vector4<T>& v)
|
||||
{
|
||||
return os << "[x: " << v.x << " y: " << v.y << " z: " << v.z << " w: " << v.w << "]";
|
||||
}
|
||||
friend std::wostream& operator << (std::wostream& os, const Vector4<T>& v)
|
||||
{
|
||||
return os << L"[x: " << v.x << L" y: " << v.y << L" z: " << v.z << L" w: " << v.w << L"]";
|
||||
}
|
||||
|
||||
T x;
|
||||
T y;
|
||||
T z;
|
||||
T w;
|
||||
|
||||
// Some handy predefines
|
||||
static const Vector4<double> up;
|
||||
static const Vector4<double> down;
|
||||
static const Vector4<double> right;
|
||||
static const Vector4<double> left;
|
||||
static const Vector4<double> forward;
|
||||
static const Vector4<double> backward;
|
||||
static const Vector4<double> future;
|
||||
static const Vector4<double> past;
|
||||
static const Vector4<double> one;
|
||||
static const Vector4<double> zero;
|
||||
};
|
||||
|
||||
typedef Vector4<int> Vector4i;
|
||||
typedef Vector4<double> Vector4d;
|
||||
}
|
||||
|
||||
/*** ../Eule/Vector3.h ***/
|
||||
|
||||
#include <cstdlib>
|
||||
#include <iomanip>
|
||||
#include <ostream>
|
||||
#include <sstream>
|
||||
|
||||
namespace Eule
|
||||
{
|
||||
template <typename T> class Vector2;
|
||||
template <typename T> class Vector4;
|
||||
|
||||
/** Representation of a 3d vector.
|
||||
* Contains a lot of utility methods.
|
||||
*/
|
||||
template <typename T>
|
||||
class Vector3
|
||||
{
|
||||
public:
|
||||
Vector3() : x{ 0 }, y{ 0 }, z{ 0 } {}
|
||||
Vector3(T _x, T _y, T _z) : x{ _x }, y{ _y }, z{ _z } {}
|
||||
Vector3(const Vector3<T>& other) = default;
|
||||
Vector3(Vector3<T>&& other) noexcept = default;
|
||||
|
||||
//! Will compute the dot product to another Vector3
|
||||
double DotProduct(const Vector3<T>& other) const;
|
||||
|
||||
//! Will compute the cross product to another Vector3
|
||||
Vector3<double> CrossProduct(const Vector3<T>& other) const;
|
||||
|
||||
//! Will compute the square magnitude
|
||||
double SqrMagnitude() const;
|
||||
|
||||
//! Will compute the magnitude
|
||||
double Magnitude() const;
|
||||
|
||||
//! Will return the normalization of this vector
|
||||
[[nodiscard]] Vector3<double> Normalize() const;
|
||||
|
||||
//! Will normalize this vector
|
||||
void NormalizeSelf();
|
||||
|
||||
//! Will scale self.n by scalar.n
|
||||
[[nodiscard]] Vector3<T> VectorScale(const Vector3<T>& scalar) const;
|
||||
|
||||
//! Will lerp itself towards other by t
|
||||
void LerpSelf(const Vector3<T>& other, double t);
|
||||
|
||||
//! Will return a lerp result between this and another vector
|
||||
[[nodiscard]] Vector3<double> Lerp(const Vector3<T>& other, double t) const;
|
||||
|
||||
//! Will compare if two vectors are similar to a certain epsilon value
|
||||
[[nodiscard]] bool Similar(const Vector3<T>& other, double epsilon = 0.00001) const;
|
||||
|
||||
//! Will convert this vector to a Vector3i
|
||||
[[nodiscard]] Vector3<int> ToInt() const;
|
||||
|
||||
//! Will convert this vector to a Vector3d
|
||||
[[nodiscard]] Vector3<double> ToDouble() const;
|
||||
|
||||
T& operator[](std::size_t idx);
|
||||
const T& operator[](std::size_t idx) const;
|
||||
|
||||
Vector3<T> operator+(const Vector3<T>& other) const;
|
||||
void operator+=(const Vector3<T>& other);
|
||||
Vector3<T> operator-(const Vector3<T>& other) const;
|
||||
void operator-=(const Vector3<T>& other);
|
||||
Vector3<T> operator*(const T scale) const;
|
||||
void operator*=(const T scale);
|
||||
Vector3<T> operator/(const T scale) const;
|
||||
void operator/=(const T scale);
|
||||
Vector3<T> operator*(const Matrix4x4& mat) const;
|
||||
void operator*=(const Matrix4x4& mat);
|
||||
Vector3<T> operator-() const;
|
||||
|
||||
operator Vector2<T>() const; //! Conversion method
|
||||
operator Vector4<T>() const; //! Conversion method
|
||||
|
||||
void operator=(const Vector3<T>& other);
|
||||
void operator=(Vector3<T>&& other) noexcept;
|
||||
|
||||
bool operator==(const Vector3<T>& other) const;
|
||||
bool operator!=(const Vector3<T>& other) const;
|
||||
|
||||
friend std::ostream& operator << (std::ostream& os, const Vector3<T>& v)
|
||||
{
|
||||
return os << "[x: " << v.x << " y: " << v.y << " z: " << v.z << "]";
|
||||
}
|
||||
friend std::wostream& operator << (std::wostream& os, const Vector3<T>& v)
|
||||
{
|
||||
return os << L"[x: " << v.x << L" y: " << v.y << L" z: " << v.z << L"]";
|
||||
}
|
||||
|
||||
T x;
|
||||
T y;
|
||||
T z;
|
||||
|
||||
// Some handy predefines
|
||||
static const Vector3<double> up;
|
||||
static const Vector3<double> down;
|
||||
static const Vector3<double> right;
|
||||
static const Vector3<double> left;
|
||||
static const Vector3<double> forward;
|
||||
static const Vector3<double> backward;
|
||||
static const Vector3<double> one;
|
||||
static const Vector3<double> zero;
|
||||
};
|
||||
|
||||
typedef Vector3<int> Vector3i;
|
||||
typedef Vector3<double> Vector3d;
|
||||
}
|
||||
|
||||
/*** ../Eule/Quaternion.h ***/
|
||||
|
||||
#include <mutex>
|
||||
|
||||
namespace Eule
|
||||
{
|
||||
/** 3D rotation representation
|
||||
*/
|
||||
class Quaternion
|
||||
{
|
||||
public:
|
||||
Quaternion();
|
||||
|
||||
//! Constructs by these raw values
|
||||
explicit Quaternion(const Vector4d values);
|
||||
|
||||
//! Copies this existing Quaternion
|
||||
Quaternion(const Quaternion& q);
|
||||
|
||||
//! Creates an quaternion from euler angles
|
||||
Quaternion(const Vector3d eulerAngles);
|
||||
|
||||
~Quaternion();
|
||||
|
||||
//! Copies
|
||||
Quaternion operator= (const Quaternion& q);
|
||||
|
||||
//! Multiplies (applies)
|
||||
Quaternion operator* (const Quaternion& q) const;
|
||||
|
||||
//! Divides (applies)
|
||||
Quaternion operator/ (Quaternion& q) const;
|
||||
|
||||
//! Also multiplies
|
||||
Quaternion& operator*= (const Quaternion& q);
|
||||
|
||||
//! Also divides
|
||||
Quaternion& operator/= (const Quaternion& q);
|
||||
|
||||
//! Will transform a 3d point around its origin
|
||||
Vector3d operator* (const Vector3d& p) const;
|
||||
|
||||
bool operator== (const Quaternion& q) const;
|
||||
bool operator!= (const Quaternion& q) const;
|
||||
|
||||
Quaternion Inverse() const;
|
||||
|
||||
Quaternion Conjugate() const;
|
||||
|
||||
Quaternion UnitQuaternion() const;
|
||||
|
||||
//! Will rotate a vector by this quaternion
|
||||
Vector3d RotateVector(const Vector3d& vec) const;
|
||||
|
||||
//! Will return euler angles representing this Quaternion's rotation
|
||||
Vector3d ToEulerAngles() const;
|
||||
|
||||
//! Will return a rotation matrix representing this Quaternions rotation
|
||||
Matrix4x4 ToRotationMatrix() const;
|
||||
|
||||
//! Will return the raw four-dimensional values
|
||||
Vector4d GetRawValues() const;
|
||||
|
||||
//! Will return the value between two Quaternion's as another Quaternion
|
||||
Quaternion AngleBetween(const Quaternion& other) const;
|
||||
|
||||
//! Will set the raw four-dimensional values
|
||||
void SetRawValues(const Vector4d values);
|
||||
|
||||
//! Will return the lerp result between two quaternions
|
||||
Quaternion Lerp(const Quaternion& other, double t) const;
|
||||
|
||||
friend std::ostream& operator<< (std::ostream& os, const Quaternion& q);
|
||||
friend std::wostream& operator<< (std::wostream& os, const Quaternion& q);
|
||||
|
||||
private:
|
||||
//! Scales
|
||||
Quaternion operator* (const double scale) const;
|
||||
Quaternion& operator*= (const double scale);
|
||||
|
||||
//! Quaternion values
|
||||
Vector4d v;
|
||||
|
||||
//! Will force a regenartion of the euler and matrix caches on further converter calls
|
||||
void InvalidateCache();
|
||||
|
||||
// Caches for conversions
|
||||
mutable bool isCacheUpToDate_euler = false;
|
||||
mutable Vector3d cache_euler;
|
||||
|
||||
mutable bool isCacheUpToDate_matrix = false;
|
||||
mutable Matrix4x4 cache_matrix;
|
||||
|
||||
mutable bool isCacheUpToDate_inverse = false;
|
||||
mutable Vector4d cache_inverse;
|
||||
|
||||
// Mutexes for thread-safe caching
|
||||
mutable std::mutex lock_eulerCache;
|
||||
mutable std::mutex lock_matrixCache;
|
||||
mutable std::mutex lock_inverseCache;
|
||||
};
|
||||
}
|
||||
|
||||
/*** ../Eule/Constants.h ***/
|
||||
|
||||
|
||||
// Pretty sure the compiler will optimize these calculations out...
|
||||
|
||||
//! Pi up to 50 decimal places
|
||||
static constexpr double PI = 3.14159265358979323846264338327950288419716939937510;
|
||||
|
||||
//! Pi divided by two
|
||||
static constexpr double HALF_PI = 1.57079632679489661923132169163975144209858469968755;
|
||||
|
||||
//! Factor to convert degrees to radians
|
||||
static constexpr double Deg2Rad = 0.0174532925199432957692369076848861271344287188854172222222222222;
|
||||
|
||||
//! Factor to convert radians to degrees
|
||||
static constexpr double Rad2Deg = 57.295779513082320876798154814105170332405472466564427711013084788;
|
||||
|
||||
/*** ../Eule/Collider.h ***/
|
||||
|
||||
|
||||
namespace Eule
|
||||
{
|
||||
/** Abstract class of a collider domain.
|
||||
* Specializations describe a shape in 3d space, and provide implementations of the methods below,
|
||||
* for their specific shape. Examples could be a SphereCollider, a BoxCollider, etc...
|
||||
*/
|
||||
class Collider
|
||||
{
|
||||
public:
|
||||
//! Tests, if this Collider contains a point
|
||||
virtual bool Contains(const Vector3d& point) const = 0;
|
||||
};
|
||||
}
|
||||
|
||||
/*** ../Eule/TrapazoidalPrismCollider.h ***/
|
||||
|
||||
#include <array>
|
||||
|
||||
namespace Eule
|
||||
{
|
||||
/** A collider describing a trapazoidal prism.
|
||||
* A trapazoidal prism is basically a box, but each vertex can be manipulated individually, altering
|
||||
* the angles between faces.
|
||||
* Distorting a 2d face into 3d space will result in undefined behaviour. Each face should stay flat, relative to itself. This shape is based on QUADS!
|
||||
*/
|
||||
class TrapazoidalPrismCollider : public Collider
|
||||
{
|
||||
public:
|
||||
TrapazoidalPrismCollider();
|
||||
TrapazoidalPrismCollider(const TrapazoidalPrismCollider& other) = default;
|
||||
TrapazoidalPrismCollider(TrapazoidalPrismCollider&& other) noexcept = default;
|
||||
void operator=(const TrapazoidalPrismCollider& other);
|
||||
void operator=(TrapazoidalPrismCollider&& other) noexcept;
|
||||
|
||||
//! Will return a specific vertex
|
||||
const Vector3d& GetVertex(std::size_t index) const;
|
||||
|
||||
//! Will set the value of a specific vertex
|
||||
void SetVertex(std::size_t index, const Vector3d value);
|
||||
|
||||
//! Tests, if this Collider contains a point
|
||||
bool Contains(const Vector3d& point) const override;
|
||||
|
||||
/* Vertex identifiers */
|
||||
static constexpr std::size_t BACK = 0;
|
||||
static constexpr std::size_t FRONT = 4;
|
||||
static constexpr std::size_t LEFT = 0;
|
||||
static constexpr std::size_t RIGHT = 2;
|
||||
static constexpr std::size_t BOTTOM = 0;
|
||||
static constexpr std::size_t TOP = 1;
|
||||
|
||||
private:
|
||||
enum class FACE_NORMALS : std::size_t;
|
||||
|
||||
//! Will calculate the vertex normals from vertices
|
||||
void GenerateNormalsFromVertices();
|
||||
|
||||
//! Returns the dot product of a given point against a specific plane of the bounding box
|
||||
double FaceDot(FACE_NORMALS face, const Vector3d& point) const;
|
||||
|
||||
std::array<Vector3d, 8> vertices;
|
||||
|
||||
|
||||
// Face normals
|
||||
enum class FACE_NORMALS : std::size_t
|
||||
{
|
||||
LEFT = 0,
|
||||
RIGHT = 1,
|
||||
FRONT = 2,
|
||||
BACK = 3,
|
||||
TOP = 4,
|
||||
BOTTOM = 5
|
||||
};
|
||||
std::array<Vector3d, 6> faceNormals;
|
||||
};
|
||||
}
|
||||
@ -4,5 +4,5 @@ deggl -i ../Eule/*.cpp -o Eule
|
||||
|
||||
# Verify that they compile cleanly
|
||||
echo "Verifying that they compile"
|
||||
g++ Eule.cpp -c -S -o - -Wall -Wextra -Wpedantic > /dev/null
|
||||
g++ Eule.cpp -c -S -o - -Wall -Wextra -Wpedantic -mavx > /dev/null
|
||||
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user